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TPO roofing is a single-ply rubber roofing system that is commonly used on flat roofs and commercial buildings. The material is made from blending both polypropylene and ethylene-propylene rubber into polymer. TPO can be fully adhered or applied by a mechanical system. TPO is white in color and is specifically designed to be exposed for the entire lifespan of the roof.
TPO stands for Thermoplastic Polyolefin and is made from recycled rubber. It is sold by the roll which are held together by glued seams. TPO is also very energy-efficient and can withstand damaging ultraviolet, ozone, and chemical exposure. The reason TPO is a good choice for flat roofs is because single-ply membranes create a leak-proof barrier.
TPO is not as common on residential homes due to the fact that, more often than not, roofs of homes aren’t flat. However, if your roof is flat, TPO can be a good choice.
Roofs on commercial properties tend to be flat, and TPO is one of the most popular choices in materials.
TPO roofing typically lasts between 20 and 30 years. TPO lasts so long because it is compounded with a top coat that reflects both heat and light, which reduces the building’s cooling load. It decreases the damage from ultraviolet light, which is the main reason for premature roof decay. Factors that can affect the longevity of TPO roofing include: wind, hail, membrane thickness, and consistent maintenance.
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When installing this roofing type, it is screwed down at the seams then heat welds it together to create a water-tight seal. Flashing on chimneys, pipes, etc. are adhered separately and then heat welded to the membrane with the rest of the roofing system. The time frame for this roofing installation can depend on the size of the roof, how much flashing is needed, and the application method used. As with any installation, weather conditions can prove to be a reason for delay. TPO roofing can also be painted using a specialized coating, primer, and paint.
The first thing to do when installing a TPO roof or a new roof in general is to prepare, clean, and prepare the surface. Then, insulation is added first. The insulation is added for the extra layer of protection from water damage. Once the insulation is put in, the TPO membrane is either mechanically fastened or adhered/bonded. TPO comes in large rolls that are easily spread out across the roof surface. This reduces the number of seams. Once it has been rolled into place the seams are welded together.
Keeping TPO roofing clean allows the material to reflect as much sunlight as possible for as long as possible, extending the life of the roof itself. Due to TPO usually being installed on flat roofs, it is difficult for it to adequately drain. For commercial roofs, the size is always taken into consideration when it comes to the maintenance. As always, the older the roof, the more work may be required.
If you’re considering a TPO roof for your home or business, contact Watermark Roofing. We offer free consultations and would be happy to help with your next roofing project. |
Watermark Exteriors is a commercial roofing company proudly serving the greater St.Louis metro and surrounding areas.
Call us today to schedule an appointment.
Watermark Exteriors
1505 Fenpark Dr.
Fenton, MO 63026
M-F 8:00am – 7:00pm
Weekends 9:00am – 2:00pm
Watermark Exteriors is a commercial roofing company proudly serving the greater St.Louis metro and surrounding areas.
Call us today to schedule an appointment.
Watermark Exteriors is a commercial roofing company proudly serving the greater St.Louis metro and surrounding areas.
Call us today to schedule an appointment.
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